WPF MVVM Framework - Show a Confirmation Message Box Before Executing the Specified Command (a ConfirmationBehavior)

The example attaches a command to a Button and enables a confirmation message for the command. Users can confirm or cancel the operation.

Overview

Specify the behavior's Command property to set a command that shows a confirmation message and should be executed if the user confirms the operation.

Customize a Confirmation Box

Property	Desciption
Command	Gets or sets the command that runs if the user accepts the confirmation message. This is a dependency property.
CommandPropertyName	Gets or sets a name of an associated control's command property. This is a dependency property.
CommandParameter	Gets or sets parameters to pass to the Command. This is a dependency property.
EnableConfirmationMessage	Gets or sets whether a confirmation message should be displayed. This is a dependency property.
MessageBoxService	Gets or sets a custom message box service. You can use the WinUIMessageBox or create a custom message box that implements the IMessageBoxService interface. This is a dependency property.
MessageDefaultResult	Gets or sets the confirmation message button that should be focused when the message appears. This is a dependency property.
MessageButton	Gets or sets the confirmation message buttons. This is a dependency property.
MessageIcon	Gets or sets the confirmation message icon. This is a dependency property.
MessageText	Gets or sets the confirmation message text. This is a dependency property.
MessageTitle	Gets or sets the confirmation message title. This is a dependency property.

Files to Review

• MainView.xaml (VB: MainView.xaml)
• MainViewMode.cs (VB: MainViewMode.vb)

Documentation

• ConfirmationBehavior
• Behaviors